Natural hazards 5.0 / 5 based on 2 ratings ? GeographyNatural hazardsGCSEOCR Created by: Harriet FrostCreated on: 28-05-13 15:34 Measures the strength of an earthquake by its observed effect on buildings Mercalli scale 1 of 9 The name of the province that the 2008 earthquake in China occurred in Sichuan 2 of 9 The name for a crack or weakness in the Earth's crust Fault 3 of 9 Molten rock Magma 4 of 9 Mud flows Lahars 5 of 9 A volcano that has not erupted for a long time but may erupt again Dormant 6 of 9 Avalanches of hot ash, fragments of rock and superheated gas destroy everything in their path Pyroclastic flows 7 of 9 Gas emitted during an eruption that causes respiratory problems Sulphur dioxide 8 of 9 Sulphur dioxide + rainwater Acid rain 9 of 9
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